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Mathematics Past Questions and Answers

Jamb 1986 Mathematics Questions

Question 11:
The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y.
  • A (12, 6)
  • B (23, 17)
  • C (17, 11)
  • D (18, 12)
View Answer & Explanation
Question 12:
In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father's age?
  • A 1981
  • B 1979
  • C 1982
  • D 1978
View Answer & Explanation
Question 13:
Simplify \((\frac{1}{\sqrt{5} + \sqrt{3}} - \frac{1}{\sqrt{5} - \sqrt{3}}) \times \frac{1}{\sqrt{3}}\)
  • A \(\frac{\sqrt{3}}{\sqrt{5}}\)
  • B \(\frac{2 \sqrt{3}}{7}\)
  • C -2
  • D -1
View Answer & Explanation
Question 14:
Find n if log\(_{2}\) 4 + log\(_{2}\) 7 - log\(_{2}\) n = 1
  • A 10
  • B 14
  • C 27
  • D 28
View Answer & Explanation
Question 15:
Simplify \(\frac{9^{\frac{1}{3}} \times 27^{-\frac{1}{3}}}{3^{-\frac{1}{6}} \times 3^{\frac{2}{3}}}\)
  • A \(\frac{1}{3}\)
  • B 1
  • C 3
  • D 9
View Answer & Explanation